It's time for another installment of 'You Think You Know Movies'! Where last we revealed some cool facts about the first 'Star Wars' movie and Marvel's 'The Avengers,' we now take a trip outside the realm of sci-fi and superheroes with 'Mean Girls.'

By now, it seems that every celebrity under the sun has taken the ALS Ice Bucket Challenge -- even your favorite Marvel stars -- but there is still a handful of big names who have yet to take the plunge. One obvious choice? Lindsay Lohan, who seems to have so far slipped through the cracks. Well, at…